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Faurecia evaluates Qset software

An ESAB product story
Edited by the Engineeringtalk editorial team Oct 28, 2008

Faurecia is currently working with ESAB's Aristo power sources and evaluating the performance of the Qset feature.

Aristo is a hardware system consisting of several inverters that can be used with Qset, designed to maximise the benefits of MIG/MAG power sources.

Qset consists of software that is expected to transform short arc welding.

A push on the Qset button and a few seconds of test welding is all it takes to find optimal short arc parameter settings automatically.

The process will then operate at a proper short arc frequency with its characteristic sound.

This procedure will be repeated for different welding positions, plate thickness, wire type or shielding gas, because they all have an effect on the short circuit frequency.

The short circuit frequency is also influenced by the stick-out length and choke setting.

The choke setting also affects heat input, along with the arc voltage and wire feed speed.

More choke results in a longer arc period, a lower short circuit frequency and a higher heat input.

Faurecia purchased a MIG 3000I with Qset for use in the company's research and development facility located in Bavans, France.

Parallel tests have also been carried out using the equipment in prototype production at the Fuerth site in Germany.

'We have been using the equipment for a year,' said Andreas Ernst, process development, North Europe Exhaust Systems Product Group, Europe Division, Faurecia.

'It is very easy to set the parameters.

'If you have more than one welder you only have to press one button for each welder.' Ernst said that ESAB's Qset system also enables welding parameters to be set easily and quickly for several welders.

'It is also very easy to set up,' added Ernst.

'If you change the type of welding wire you only need to press one button.' It is essential to achieve a balance between wire feed speed and burn-off rate in order to be successful when short arc welding.

The arc voltage and wire feed speed need to be carefully matched.

A skilled welder will choose an approximate setting.

They will then adjust the arc voltage and wire feed speed until the optimal setting is found.

Aristo used in conjunction with Qset makes it easier to balance those parameters.

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